Slow

traitSlow extends Annotation

Annotation used to tag a test, or suite of tests, as being slow (i.e., requiring a long time to run).

Note: This is actually an annotation defined in Java, not a Scala trait. It must be defined in Java instead of Scala so it will be accessible
at runtime. It has been inserted into Scaladoc by pretending it is a trait.

If you wish to mark an entire suite of tests as being slow, you can annotate the test class with @Slow, like this:

it should "produce NoSuchElementException when head is invoked" in {
intercept[NoSuchElementException] {
Set.empty.head
}
}
}

When you mark a test class with a tag annotation, ScalaTest will mark each test defined in that class with that tag.
Thus, marking the SetSpec in the above example with the @Slow tag annotation means that both tests
in are slow.

Another use case for @Slow is to mark test methods as slow in traits Spec
and fixture.Spec. Here's an example:

The main use case of annotating a test or suite of tests is to select or deselect them during runs by supplying tags to include and/or exclude. For more information,
see the relevant section in the documentation of object Runner.